NO.1 Which of the following statements is true regarding XenStore?
A. It is a software repository located within the host system used to provide software packages to the
guest domains.
B. It manages disk file images on behalf of all virtual machines and provides them as virtual devices to
guest domains.
C. It saves the persistent configuration of all defined Xen domains and restores them when the host
system is started.
D. It stores run time information regarding Xen and its domains using hierarchical namespaces shared
between domains.
E. It is a web interface used to provide self-service domain provisioning to users with sufficient
Answer: D


NO.2 Which of the following configuration settings specify that keepalived is to use the round robin
A. lb_algorithm=rr
B. lb_algo rr
C. loadbalancer_mode=rr
D. lb_mode rr
E. algorithm=round robin
Answer: B

NO.3 When preparing a public machine image for the provisioning of new cloud computing instances,
which of the following steps should be done? (Choose TWO correct answers.)
A. Remove all confidential data from the image.
B. Remove all private SSH keys from the image.
C. Remove all remote login services (i.e. SSH) from the image.
D. Remove all configuration files from /etc/ that were not manually modified.
E. Remove all default users and groups, including root and nobody.
Answer: A,B


NO.4 While setting up a load-balanced HTTP service, Linux Virtual Server was configured with the
ipvsadm -A -t -s rr
ipvsadm -a -t -r -m
ipvsadm -a -t -r -m
and all backend servers are using the LVS host as the default router. Which additional command has
to be issued on the LVS host in order to correctly handle incoming HTTP traffic?
A. ipvsadmin -L -n
B. ipmasq -A -A -p tcp --dport www -j DEMASQ
C. echo "1" > /proc/sys/net/ipv4/ip_forward
D. iptables -t nat -Z
E. netstat -r
Answer: C


NO.5 Which of the following commands displays only the resources of the cluster information base of
a pacemaker cluster?
A. cibadmin -Q -o resources
B. cibquery -L resources
C. cibadmin -R
D. cib_admin -L resources
E. cibquery -o resources
Answer: A

304-200価値   304-200知識   

NO.6 Which of the following tasks are parts of a hypervisor's responsibility? (Choose TWO correct
A. Map the resources of virtual machines to the resources of the host system.
B. Create filesystems during the installation of new VM guest operating systems.
C. Manage authentication to network services running inside a virtual machine.
D. Provide host-wide unique PIDs to the processes running inside the VMs in order to ease
interprocess communication between virtual machines.
E. Ensure isolation and eliminate any interference between virtual machines.
Answer: A,E

NO.7 Within the graphical output of a KVM virtual machine, which key sequence switches to the KVM
monitor of the VM?
A. Ctrl-Alt-0
B. Ctrl-Alt-2
C. Ctrl-Alt-4
D. Ctrl-Alt-3
E. Ctrl-Alt-1
Answer: B

304-200模擬対策   304-200入門   

NO.8 Which of the following tools is used to interact with XenStore?
A. xendo
B. xl store
C. xs
D. xenstore-ls
E. xstore
Answer: D



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投稿日: 2016/4/27 21:32:15  |  カテゴリー: Lpi  |  タグ: 304-200101-400無料更新Lpi